Search found 2 matches

by bawolff
2014-10-25T13:41:11-07:00
Forum: Bugs
Topic: Fractional sampling error with -define jpeg:size
Replies: 2
Views: 2858

Fractional sampling error with -define jpeg:size

On the file https://upload.wikimedia.org/wikipedia/kn/0/0e/End-of-the-world-Stephen-Hawking-god-particle-Higgs-boson-508102.jpg which has a weird YCbCr subsampling value of "2 3", the following: convert -define 'jpeg:size=118x70' End-of-the-world-Stephen-Hawking-god-particle-Higgs-boson-508102.jpg ...
by bawolff
2014-06-07T11:55:28-07:00
Forum: Bugs
Topic: Greyscale XCF files come out green
Replies: 2
Views: 3899

Greyscale XCF files come out green

Greyscale XCF images appear to be treated as RGB images with green channel fully on, and the other two channels being the greyscale image. Steps to reproduce: * Get a greyscale xcf file (I'm using https://upload.wikimedia.org/wikipedia/commons/1/12/Romain_Rolland_de_face_au_balcon%2C_Meurisse%2C ...